ExTurbo

Not to drag up an old thread but the customer also swapped out shorty headers for long tubes (stepped long tubes at that) id be willing to be most of your HP and tq came from that swap, the cam im sure did its part, but id give the headers credit for at least 20hp.

JayplaySS

iTrader: (15)

Stock LS2 heads?

Johny GTO

that is a sweet, sweet gain.
Enjoy the new feeling ride.

LSWONGTO

iTrader: (3)

Yes its possible. Mine put down 457/429 before the ported TB so add 1more HP!! to 458/429 my cam is bit smaller only 232/234. Nice#s I bet that guy is happy with his new setup.